$('document').ready(function(){
  var search = $('#search_box');
  var code =null;
  search.keypress(function(e)
  {
    code= (e.keyCode ? e.keyCode : e.which);
    if (code == 13) {
      /* Enter */
      /* Buscamos */
      alert('En desarrollo ...'); return;
      location.href = site_url('search') + '?query=' + search.val();
    }
  });
});